<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>

  <body>
    <!-- <span>word</span> hello {{arr}} world
    <ul>
      <li>{{name}}</li>
    </ul> -->
    <div id="app" a="1" style="color: red; background: green">
      <li>{{msg}}</li>
    </div>
    <script src="dist/vue.js"></script>
    <script>
      let vm = new Vue({
        el: '#app',
        data: {
          msg: 'hello'
        }
      })
      setTimeout(() => {
        vm.msg = 'zf'
      }, 2000)
    </script>
  </body>
</html>
